00775cam a2200265 4500 1216174 BD-DhUL 20160411091554.0 710414s1971 mdu b 000 0 eng 70134691 //r84 GB71-17694 0801811988 : (OCoLC)ocm00132663 DLC DLC m.c. UKM ZCU BD-DhUL HM106 .D86 309.2 DUE Dunn, Edgar Streeter. Economic and social development : a process of social learning / Edgar S. Dunn Baltimore : Resources for the Future, 1971. xv, 327 p. ; 24 cm. Bibliography: p. 311-316. Social evolution. Social learning. ddc BK 54537 54537 0 0 ddc 0 309_200000000000000_DUE 0 NFIC 90833 DUL DUL GEN 2016-04-11 309.2 DUE A120426 2016-04-11 2016-04-11 BK